1. Product Overview
The LEADSTAR D7 is a versatile 7-inch portable digital television designed for various environments, including cars, caravans, camping, outdoor use, and kitchens. It features a built-in rechargeable battery, ATSC and analog TV signal compatibility, and multimedia playback capabilities via USB and TF card. This manual provides comprehensive instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
2. Package Contents
Please check the package carefully to ensure all items are present and in good condition.
- LEADSTAR 7-inch Portable TV (Model D7)
- Remote Control
- Car Charger
- Stand
- DC Adapter (x2)
- AV Line
- Mini Antenna
- User Manual (EN, DE, IT, ES, FR)

Figure 2.1: Contents of the LEADSTAR D7 Portable TV package, including the TV unit, remote control, various cables, adapters, antenna, and user manual.
3. Product Components and Controls
Familiarize yourself with the various parts and controls of your LEADSTAR D7 portable TV.

Figure 3.1: Side view of the LEADSTAR D7 Portable TV, highlighting the DC-12V input, TF Card slot, AV-in port, Earphone jack, OFF/ON switch, USB port, and Antenna Jack.

Figure 3.2: Back view of the LEADSTAR D7 Portable TV, showing the speakers, model information, power input details, and control buttons (MENU, VOL-, VOL+, CH-, CH+, SOURCE, ENTER).
3.1. Front Panel
- Display Screen: 7-inch Color TFT-LED display.
3.2. Side Panel (Refer to Figure 3.1)
- DC-12V Input: Power input for connecting the DC adapter or car charger.
- TF Card Slot: For inserting a TF (MicroSD) card to play multimedia files.
- AV-in: Audio/Video input for connecting external devices.
- Earphone Jack: 3.5mm jack for connecting headphones.
- OFF/ON Switch: Main power switch for the device.
- USB Port: For connecting a USB flash drive to play multimedia files or record TV programs (PVR).
- Antenna Jack: For connecting the included mini antenna or an external antenna.
3.3. Back Panel (Refer to Figure 3.2)
- Speakers: Built-in speakers for audio output.
- Control Buttons:
- MENU: Access the main menu.
- VOL- / VOL+: Adjust volume down/up.
- CH- / CH+: Change channels down/up.
- SOURCE: Select input source (TV, AV, USB, TF).
- ENTER: Confirm selection.
4. Setup Instructions
4.1. Charging the Battery
Before first use, fully charge the built-in Li-Polymer 7.4V 800mAh battery. Connect the DC adapter to the "DC-12V Input" port on the TV and plug it into a standard wall outlet (110V~240V). The charging indicator light will typically show the charging status. A full charge ensures portable use for extended periods.
4.2. Connecting the Antenna
For optimal reception of digital (ATSC) and analog TV signals, connect the included mini antenna to the "Antenna Jack" on the side of the TV. For improved signal strength, especially indoors or in areas with weak signals, consider using a larger external antenna (not included).
4.3. Powering On/Off
To power on the device, slide the "OFF/ON" switch to the "ON" position. To power off, slide the switch to the "OFF" position.
4.4. Initial Channel Scan
Upon first power-on or after moving to a new location, you will need to perform a channel scan to find available TV channels. Navigate to the "Channel Scan" or "Auto Scan" option in the TV's menu and initiate the scan. This process may take several minutes.
5. Operating Instructions
5.1. Basic TV Operation
- Changing Channels: Use the CH+ / CH- buttons on the TV or remote control.
- Adjusting Volume: Use the VOL+ / VOL- buttons on the TV or remote control.
- Selecting Input Source: Press the "SOURCE" button on the TV or remote to cycle through available inputs (TV, AV, USB, TF).
5.2. Multimedia Playback (USB/TF Card)
The LEADSTAR D7 supports playback of various multimedia formats from USB flash drives and TF cards.
- Insert your USB flash drive into the "USB Port" or your TF card into the "TF Card Slot".
- Press the "SOURCE" button and select "USB" or "TF" as the input source.
- Navigate through your files using the remote control or TV buttons.
- Supported media formats include: rmvb, avi, mov, mkv, 3gp, mp4 (video); mp3 (audio). The device supports 1080P video playback.
5.3. PVR Function (Program Recording)
The PVR (Personal Video Recorder) function allows you to record HD TV programs directly to a connected USB flash drive or hard disk.
- Ensure a USB flash drive or external hard disk with sufficient free space is connected to the USB port.
- While watching a digital TV channel, access the PVR menu (refer to your remote control or on-screen menu for the specific button/option).
- Follow the on-screen prompts to start, pause, or stop recording.
- Recorded programs can be accessed and played back through the USB/TF multimedia player interface.
5.4. Usage Scenarios

Figure 5.1: Examples of the LEADSTAR D7 Portable TV being used outdoors, in a kitchen, and for children's entertainment, demonstrating its versatility.

Figure 5.2: The LEADSTAR D7 Portable TV installed in a car using the included windscreen car mount holder, mini antenna, and car charger.
6. Maintenance
6.1. Cleaning
To clean the screen and exterior of the TV, use a soft, dry, lint-free cloth. For stubborn marks, slightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the surface.
6.2. Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- If storing the TV for an extended period, charge the battery to approximately 50% and store it in a cool, dry place.
- Do not expose the battery to extreme temperatures.
6.3. Storage
When not in use, store the TV in a clean, dry environment, away from direct sunlight, dust, and extreme temperatures. Keep it in its original packaging or a protective case to prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery discharged; Power adapter not connected or faulty; Power switch off. | Charge the battery; Ensure power adapter is securely connected and functional; Slide the OFF/ON switch to ON. |
| No signal / Poor picture quality | Antenna not connected or positioned correctly; Weak signal strength; No channel scan performed. | Ensure antenna is securely connected; Adjust antenna position for better reception; Perform an auto channel scan; Consider using an external antenna. |
| No sound | Volume too low or muted; Audio settings incorrect. | Increase volume; Check if mute is active; Verify audio settings in the menu. |
| USB/TF card not recognized | Card/drive not inserted correctly; Incompatible format; Corrupted files. | Reinsert the card/drive; Ensure it is formatted to a compatible file system (e.g., FAT32); Try another card/drive; Check file formats. |
| Remote control not working | Batteries dead or incorrectly inserted; Obstruction between remote and TV; Remote sensor blocked. | Replace batteries; Ensure correct battery polarity; Remove any obstructions; Clean the remote sensor on the TV. |
8. Specifications

Figure 8.1: Dimensional drawing of the LEADSTAR D7 Portable TV, showing its length, width, height, and screen size.
| Feature | Detail |
|---|---|
| Display | 7" Color TFT-LED |
| Resolution | 800 x 480 (Supports 1080p video playback) |
| Screen Dimension Ratio | 16:9 |
| TV System | Full Compliance with ATSC, Analog TV (DTV+ATV all in 1) |
| Audio Output | 2*1W Speakers |
| Battery | Li-Polymer 7.4V 800mAh (Built-in rechargeable) |
| Power Supply | 110V~240V Universal Power Supply, DC input 12V |
| Connectivity | USB Jack, TF Card Slot, AV-in |
| Supported Media Formats | rmvb, avi, mov, mkv, 3gp, mp4 (video); mp3 (audio) |
| Special Features | PVR Function (HD TV program recording to USB/HDD), High sensitivity tuner |
| Product Dimensions | 7.68 x 5.04 x 0.94 inches (195mm x 128mm x 21mm) |
| Item Weight | 1.1 pounds (0.5 Kilograms) |
| On-mode power consumption | 20.0 watts |
| Visible screen diagonal | 7" / 18 cm |
9. Warranty and Support
9.1. Warranty Information
The LEADSTAR D7 Portable TV comes with a 365-day warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
9.2. Technical Support
For any technical assistance, questions, or issues not covered in this manual, LEADSTAR offers 24-hour online technical support. Please refer to the contact information provided with your product packaging or visit the official LEADSTAR website for support details.





